Keyphrases
- facial expressions
- correlation analysis
- particle filter
- point tracking
- facial expression recognition
- particle filtering
- human faces
- face recognition
- multiple objects
- visual tracking
- object tracking
- facial images
- face images
- video sequences
- kalman filter
- facial features
- regression analysis
- motion model
- cluster analysis
- image processing
- mean shift
- state space
- moving objects
- support vector
- k means
- hand tracking
- feature extraction
- factor analysis
- search space
- machine learning
- face detection
- motion estimation